Both crew are very experienced in their own right and followed procedure accordingly. The wheel falling off was caused by a internal failure of the component and not something that could have been identified on the ground during a walk around.
The instructor of the 'said' GA pilot (a student) came out the very next day and opposed his students views.
There seems to be some bias toward rex and suggest you should get your facts straight before you start slinging **** on any company.
Radar.